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Finding the Fourth Proportional to 968.72, 1,452.09 and 506.26

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Solution

The fourth proportional to 968.72, 1,452.09 and 506.26 is: 758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.72 : 1,452.09 = 506.26 : x
  2. Step 2: Convert to fraction form
    968.72/1,452.09 = 506.26/x
  3. Step 3: Cross multiply
    968.72x = 1,452.09 × 506.26
  4. Step 4: Simplify right side
    968.72x = 735,135.08
  5. Step 5: Solve for x
    x = 735,135.08/968.72
  6. Step 6: Final answer
    x = 758.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.